Fluoropolymers / Alfa Chemistry
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Peek Capillary Tubing

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Catalog Number ALFP000048
Description Our PEEK-1000 capillary tubing offers top-notch performance for micro-scale applications. Made from unfilled, medical-grade PEEK, these tubes, with diameters ranging from 0.005" to 0.060", provide outstanding chemical resistance, minimal protein binding, and high-pressure tolerance. They are ideal for use in HPLC interfaces, microfluidic devices, and precision analytical systems.
Feature Ultra-Small Diameters Available: Sizes range from 0.005" to 0.060" (127μm to 1.52mm), allowing for precise fluid control.
Unmatched Purity: Made from PEEK-1000 material, which is free of fillers or additives, ensuring no interference with sensitive analyses.
High-Pressure Capable: Designed to maintain structural integrity under pressures over 8,000 psi, suitable for micro-HPLC and UHPLC applications.
Exceptional Surface Finish: Features a smooth inner bore (Ra < 0.2μm) that reduces adsorption and flow resistance.
Broad Chemical Compatibility: Resistant to acids, bases, and organic solvents such as DMSO, acetonitrile, and TFA.
Grade unfilled medical-grade PEEK
Notes Available Configurations
Straight cut lengths (standard 1m, 2m)
Coiled on spools for continuous feed applications
Custom end treatments (flared, squared, or deburred)
Sterilization: Autoclavable, gamma radiation, and EtO compatible
Operating Temperature -50°C to +260°C (continuous)
Thickness Wall Thickness Options: From 0.004" to 0.020" (100μm to 500μm); Tolerances: ±0.0005" (±12.7μm) for critical dimension control

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※ Please kindly note that our products are for research use only.